import java.util.Scanner;

/**
 * Created with IntelliJ IDEA.
 * Description:
 * User: LianBao
 * Date: 2024-09-26
 * Time: 21:24
 */
public class test {
    public static void mai1n(String[] args) {
        Scanner s = new Scanner(System.in);
        String str = s.next();
        System.out.println(str);
    }

    public static void main(String[] args) {
        Object o1 = new Object();
        Object o2 = o1;
        System.out.println(o1);
        System.out.println(o2);
    }
}
